* {
    /*页面点击链接时，会出现高亮框，用此代码解决*/
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    /*在谷歌里面小于12号的字，都会显示12号字，此代码解决此问题*/
    -webkit-text-size-adjust: none;
    /*禁用手机浏览器的用户选择复制文本的功能*/
    -webkit-user-select: none;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
  }
  body,
  html,
  div,
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  ul,
  ol,
  dl,
  dt,
  dd,
  li,
  p {
    margin: 0;
    padding: 0;
  }
  a {
    text-decoration: none;
    color: #666;
  }
  .clear:after {
    content: "";
    display: block;
    clear: both;
    overflow: hidden;
    height: 0;
    visibility: hidden;
  }
  .clear {
    zoom: 1;
  }
  input:focus {
    outline: none;
  }
  input::-webkit-input-placeholder {
    color: red;
  }
  ul,
  ol {
    list-style: none;
  }
  img {
    vertical-align: top;
    border: 0;
  }
  